開発環境
- macOS Sierra - Apple (OS)
- Emacs (Text Editor)
- Python 3.5 (プログラミング言語)
Think Python (Allen B. Downey (著)、 O'Reilly Media)のChapter 18.(Inheritance)のExercises 18-3-1、2、3.(No. 4220)を取り組んでみる。
Exercises 18-3-1、2、3.(No. 4220)
コード(Emacs)
#!/usr/bin/env python3 # -*- coding: utf-8 -*- from Card import Hand, Deck, Card class PokerHand(Hand): size = 5 def suit_hist(self): """Builds a histogram of the suits that appear in the hand. Stores the result in attribute suits. """ self.suits = {} for card in self.cards: self.suits[card.suit] = self.suits.get(card.suit, 0) + 1 def rank_hist(self): self.ranks = {} for card in self.cards: self.ranks[card.rank] = self.ranks.get(card.rank, 0) + 1 def has_flush(self): """Returns True if the hand has a flush, False otherwise. Note that this works correctly for hands with more than 5 cards. """ self.suit_hist() for val in self.suits.values(): if val >= 5: return True return False def has_pair(self): self.rank_hist() for val in self.ranks.values(): if val == 2: return True return False def has_twopair(self): self.rank_hist() count = 0 for val in self.ranks.values(): if val == 2: if count == 0: count = 1 else: return True return False def has_three_of_kind(self): self.rank_hist() for val in self.ranks.values(): if val == 3: return True return False def has_straight(self): self.rank_hist() ks = self.ranks.keys() start = 1 stop = 13 - (PokerHand.size - 1) + 1 for n in range(start, stop): for m in range(n, n + PokerHand.size): if m not in ks: break else: return True if 1 in ks: start = 13 - (PokerHand.size - 1) + 1 stop = start + PokerHand.size - 1 for n in range(start, stop): if n not in ks: return False return True return False def has_full_house(self): return self.has_pair() and self.has_three_of_kind() def has_four_of_kind(self): self.rank_hist() for val in self.ranks.values(): if val == 4: return True return False def has_straight_flush(self): return self.has_straight() and self.has_flush() if __name__ == '__main__': # make a deck deck = Deck() deck.shuffle() # deal the cards and classify the hands for i in range(7): hand = PokerHand() deck.move_cards(hand, 7) hand.sort() print(hand) print('flush: {0}'.format(hand.has_flush())) print('pair: {0}'.format(hand.has_pair())) print('two pair: {0}'.format(hand.has_twopair())) print('three of a kind: {0}'.format(hand.has_three_of_kind())) print('full house: {0}'.format(hand.has_full_house())) print('four of a kind: {0}'.format(hand.has_four_of_kind())) print('straight: {0}'.format(hand.has_straight())) print('straight flush: {0}'.format(hand.has_straight_flush())) print('')
入出力結果(Terminal, IPython)
$ ./PokerHand.py 2 of Diamonds 3 of Diamonds 5 of Diamonds Ace of Hearts 7 of Hearts 5 of Spades 6 of Spades flush: False pair: True two pair: False three of a kind: False full house: False four of a kind: False straight: False straight flush: False Ace of Clubs 9 of Clubs 10 of Clubs 7 of Diamonds 8 of Diamonds Jack of Hearts 3 of Spades flush: False pair: False two pair: False three of a kind: False full house: False four of a kind: False straight: True straight flush: False 2 of Clubs King of Clubs 9 of Diamonds Queen of Hearts 7 of Spades 10 of Spades King of Spades flush: False pair: True two pair: False three of a kind: False full house: False four of a kind: False straight: False straight flush: False 5 of Clubs Queen of Clubs Ace of Diamonds 3 of Hearts 4 of Hearts 10 of Hearts 4 of Spades flush: False pair: True two pair: False three of a kind: False full house: False four of a kind: False straight: False straight flush: False 4 of Clubs 6 of Clubs 6 of Diamonds Queen of Diamonds 2 of Hearts King of Hearts Queen of Spades flush: False pair: True two pair: True three of a kind: False full house: False four of a kind: False straight: False straight flush: False 8 of Clubs 10 of Diamonds Jack of Diamonds King of Diamonds Ace of Spades 8 of Spades 9 of Spades flush: False pair: True two pair: False three of a kind: False full house: False four of a kind: False straight: False straight flush: False Jack of Clubs 4 of Diamonds 5 of Hearts 6 of Hearts 8 of Hearts 9 of Hearts 2 of Spades flush: False pair: False two pair: False three of a kind: False full house: False four of a kind: False straight: False straight flush: False $ ./PokerHand.py 6 of Clubs 9 of Clubs King of Clubs 3 of Diamonds 7 of Diamonds 5 of Hearts Queen of Hearts flush: False pair: False two pair: False three of a kind: False full house: False four of a kind: False straight: False straight flush: False Queen of Diamonds 4 of Hearts 8 of Hearts 3 of Spades 9 of Spades 10 of Spades Jack of Spades flush: False pair: False two pair: False three of a kind: False full house: False four of a kind: False straight: True straight flush: False 5 of Clubs 8 of Clubs Jack of Clubs 3 of Hearts 7 of Hearts 10 of Hearts 6 of Spades flush: False pair: False two pair: False three of a kind: False full house: False four of a kind: False straight: False straight flush: False 2 of Clubs 3 of Clubs 6 of Diamonds 9 of Diamonds 2 of Spades 4 of Spades 5 of Spades flush: False pair: True two pair: False three of a kind: False full house: False four of a kind: False straight: True straight flush: False Ace of Diamonds 2 of Diamonds 5 of Diamonds King of Diamonds 9 of Hearts Jack of Hearts King of Spades flush: False pair: True two pair: False three of a kind: False full house: False four of a kind: False straight: False straight flush: False 4 of Clubs 7 of Clubs 10 of Clubs 8 of Diamonds 10 of Diamonds 2 of Hearts 6 of Hearts flush: False pair: True two pair: False three of a kind: False full house: False four of a kind: False straight: False straight flush: False Ace of Clubs Queen of Clubs 4 of Diamonds Jack of Diamonds King of Hearts Ace of Spades 8 of Spades flush: False pair: True two pair: False three of a kind: False full house: False four of a kind: False straight: False straight flush: False $
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